Conference

Hawaii Water Environment Association (HWEA) is excited to invite you to attend the 2025 HWEA COLLECTIONS SYSTEMS CONFERENCE on November 4-5, 2025.  Join water and wastewater professionals for 1 ½ days of technical sessions, networking, and knowledge sharing focused on collection systems management and innovation at Ko’olau Ballrooms Conference Center in Kane’ohe, Hawai’i. This 12th biennial conference brings together operators, engineers, regulators, and industry leaders to address the unique challenges and opportunities in Hawai’i's wastewater infrastructure.

Interested in becoming a conference sponsor? More information can be found at this link: Sponsorship Info and sponsors may use the following link to sign up as a sponsor: Sponsorship Sign-Up

Interested in becoming an exhibitor at the conference? More exhibitor information can be found at this link: Exhibitor Info.

For the latest techincal program, please see this link (subject to change): Technical Program (as of 8-26-2025).

Registration closes after October 24, 2025.  No refunds will be issued following October 24, 2025. 

If you have any questions, please contact the Collections System Committee Chairs at This email address is being protected from spambots. You need JavaScript enabled to view it..

Mahalo,
Stan Kowalczyk & Scott Fukuhara
Collection Systems Committee Chairs

Refund Policy:

• All general cancellation requests must be made by emailing This email address is being protected from spambots. You need JavaScript enabled to view it..
• Requests must be made by the deadlines specified below to receive the refund amount of the registration order.
• Cancellations made by 10/1/2025 will receive a 95% refund of registration fees.
• Cancellations made by 10/24/2025 will receive a 50% refund of registration fees.
• Any cancellations made after 10/24/2025 will not receive a refund